<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>作业1</title>
    <!--    写四个方法 打印四个方向的乘法口诀-->
    <style>
        table {
            width: 900px;
            height: 400px;
            border: 1px red solid;
            margin: 20px auto;
            border-radius: 10px;
        }

        table td {
            text-align: center;
            border-radius: 5px;
            border: 1px blue solid;
        }

        h1 {
            width: 900px;
            margin: 20px auto;
            text-align: center;
        }
    </style>
</head>

<body>
<script src="homework.js">
</script>
<script>
    'use strict';
    leftTopPrint();
    leftBottomPint();
    rightTopPrint();
    rightBottomPrint();
</script>
</body>
</html>